SDR EIA2000220

Service difficulty report · Spar · Boeing 747SR46

Difficulty date: July 30, 2000
Submitted: January 18, 2001
Operation: Air carrier
Aircraft: N477EV
Make and model: Boeing 747SR46
Aircraft serial: 20784
System (JASC): 5711 · Wing Spar
Part: Spar
Condition: Corroded
Location: Rt Wing
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND RHW FRONT SPAR LOWER CHORD CORRODED AT FS 1530 AND HOLES 1463-1479, TWO EACH REPAIRED ANGLES PREVIOUSLY INSTALLED AT AFT SIDE OF FRONT SPAR LOWER CHORD. REMOVED AND DISCHARGED EXISTING REPAIRS. CORROSION REMOVED, NDT INSPECTED FOR CRACK AND CORROSION FREE CONDITION. FLAP/SHOT-PEENED DEFECTIVE AREA, 4 EACH NEW REPAIR ANGLES INSTALLED PER BOEING MSG EVR-HKG-OO-00143H/00125F/00140H/00123F AND RS R57-21-34452. (M)

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